NDLI: Mitigating the impact of ambient noise on Wireless Mesh Networks using adaptive link-quality-based packet replication

Content Provider	IEEE Xplore Digital Library
Author	Friginal, J. Ruiz, J.-C. de Andres, D. Bustos, A.
Copyright Year	2012
Description	Author affiliation: Fault-Tolerant Systems Group (GSTF), Instituto de Aplicaciones de las TIC Avanzadas (ITACA), Universitat Politècnica de València, Campus de Vera s/n, 46022, Spain (Friginal, J.; Ruiz, J.-C.; de Andres, D.; Bustos, A.)
Abstract	Wireless Mesh networks (WMN) typically rely on proactive routing protocols to establish optimal communication routes between every pair of system nodes. These protocols integrate link-quality-based mechanisms to minimise the adverse effect of ambient noise on communications. This paper shows the limitations existing in such mechanisms by analysing the impact of ambient noise on three state-of-the-art proactive routing protocols: OLSR, B.A.T.M.A.N and Babel. As will be shown, the lack of context-awareness in their link-quality mechanisms prevents the protocols from adjusting their behaviour according to persistent levels of ambient noise, which may vary along the time. Consequently, they cannot minimise the impact of such noise on the availability of network routes. This issue is very serious for a WMN since the loss communication links may strongly increase the convergence time of the network. An adaptive extension to studied link-quality-based mechanisms is proposed to avoid the loss of communication links in the presence of high levels of ambient noise. The effectiveness of the proposal is experimentally assessed, thus establishing a new method to reduce the impact of ambient noise on WMN.
Starting Page	1
Ending Page	8
File Size	873308
Page Count	8
File Format	PDF
ISBN	9781467316248
ISSN	15300889
e-ISBN	9781467316255
e-ISBN	9781467316231
DOI	10.1109/DSN.2012.6263918
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2012-06-25
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Routing protocols Noise Routing Convergence Measurement Computer crashes Ambient Noise Wireless Mesh Networks Proactive Routing Protocols Adaptive Fault Tolerance
Content Type	Text
Resource Type	Article

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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